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MAC solenoid valve 52A-11-DOA-DM-DDAA-1BA from the United States
NegotiableUpdate on 05/18
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Overview
The following is a detailed technical description of the American MAC solenoid valve model 52A-11-DOA-DM-DADA-1BA
Product Details
MAC solenoid valve 52A-11-DOA-DM-DDAA-1BA from the United States
1. Model decoding (according to MAC standard naming conventions)
| field | meaning |
|---|---|
| 52A | Valve body size (1/2 'NPT interface) |
| 11 | Dual electromagnetic coils (bistable holding) |
| DOA | Double acting cylinder control |
| DM | Manual emergency operation function |
| DDAA | 24V DC/1.8W dual coil (DIN43650 plug) |
| 1BA | Standard brass valve body |
2. Key performance parameters
| parameter | specification |
|---|---|
| Valve body material | Brass (surface nickel plating) |
| work pressure | 0.2~12 bar（3~175 psi） |
| flow coefficient | Cv=2.8（@6 bar） |
| response time | ≤ 20ms (from power on to full open) |
| Electrical Characteristics | 24V DC/1.8W (per coil) |
| Protection level | IP67 (1 meter/30 minutes underwater) |
| temperature range | -40 ℃~+120 ℃ (high temperature sealing optional) |
3. Structural characteristics
Double coil bistable stateMaintain position without power consumption after pulse triggering
Triple sealing design：
Main seal: Polyurethane valve seat (oil resistant)
Secondary seal: PTFE guide ring
Dust seal: NBR dust scraper ring
Manual overrideThe red knob can forcibly switch the air path (with locking function)
4. Typical application scenarios
heavy machineryConstruction vehicle braking system
Energy equipmentEmergency shutdown of natural gas pipeline
Ship systemHydraulic auxiliary control of servo motor
Industrial AutomationLarge fixture positioning
5. Installation precautions
Gas path connection：
Use 1/2 'NPT thread, recommended torque 28~32 N · m
40 μ m filters need to be installed at the inlet/outlet
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electrical connection：
Pin definition: 1 # - Coil A+(brown wire) 2 # - Common terminal - (blue wire) 3 # - Coil B+(black wire)
Suggested wire diameter: AWG16-14 (with shielding layer)
6. Maintenance and troubleshooting
| fault phenomenon | Possible reasons | solution |
|---|---|---|
| Coil overheating | Voltage exceeding ± 10% | Check the power supply (21.6-26.4V DC) |
| internal leakage | Valve core wear | Replace valve core kit (P/N: 52A-SK01) |
| Manual operation stuck | Impurities invade | Clean and lubricate the valve stem (MAC specific grease) |
7. Comparison of alternative models
| model | differentiating points | Applicable scenarios |
|---|---|---|
| 52A-11-DOA-DM-DDAJ-1BA | 12V DC power supply | in-vehicle system |
| 52A-11-DOA-DM-DDAA-1KA | Stainless steel valve body | Corrosive environment |
| 52A-11-DOA-DM-DDAB-1BA | 110V AC coil | Industrial power distribution |
8. Lifecycle and Services
Shutdown statusThis model is still an active product (confirmed in 2024)
spare parts supplySeal inventory guarantee for at least 10 years
Upgrade suggestionNew model 55A series is compatible (requires adapter)
MAC solenoid valve 52A-11-DOA-DM-DDAA-1BA from the United States
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